In a large shallow bowl combine the flour, cornstarch and salt. In another bowl, whisk the eggs. Dip cauliflower florets in the egg mixture then into the flour mixture.
To bake cauliflower: Preheat the oven to 420 degrees. Line a baking tray with parchment paper.Transfer breaded cauliflower to baking sheet. Spray with coking spray or drizzle with oil. Bake for 30 minutes, turning halfway.
To fry cauliflower: Heat 1 cup oil in a medium pan on medium high heat. Place cauliflower in oil once it's heated and cook for 3-5 minutes or until golden.
To make sauce: while the cauliflower is cooking, prepare the sauce. Pour oil to a medium frying pan over medium-high heat. Add the ginger and garlic and cook for 1 minute or until garlic begins to brown. Add all the remaining ingredients and bring it to a boil. Whisk until smooth and thick.
Once the cauliflower has browned, remove it from the oven or oil and place it in a large bowl. Pour sauce over cauliflower and toss until fully coated. Sprinkle with sesame seeds and serve immediately. with rice, noodles, veggies or alone..